| article html file updated | 9 February 2020 01:06 CET | Update | https://www.mdpi.com/2079-9276/7/1/3 |
| article html file updated | 29 September 2019 11:05 CEST | Update | - |
| article html file updated | 2 May 2019 06:22 CEST | Update | - |
| article html file updated | 18 April 2019 04:19 CEST | Update | - |
| article html file updated | 28 March 2019 10:54 CET | Update | - |
| article html file updated | 27 March 2018 12:17 CEST | Update | - |
| article html file updated | 24 December 2017 12:42 CET | Original file | - |
| article xml uploaded. | 24 December 2017 12:41 CET | Update | https://www.mdpi.com/2079-9276/7/1/3/xml |
| article xml uploaded. | 24 December 2017 12:41 CET | Original file | - |
| article pdf uploaded. | 24 December 2017 12:41 CET | Version of Record | https://www.mdpi.com/2079-9276/7/1/3/pdf |
